🎤 NEUTRIK NC3FX

Product description

NEUTRIK NC3FX is a 3-pole female XLR cable connector designed for professional audio, stage, studio and installation applications. The manufacturer presents this model as an industry-standard XLR cable connector, valued for its durable construction, easy assembly and dependable long-term use.

The connector features a nickel-plated housing and silver-plated contacts. Its construction combines a rugged zinc diecast shell, a fibreglass reinforced hard plastic insert and a chuck type strain relief system that ensures secure cable clamping while reducing mechanical stress on the soldered terminations.

This connector is suitable wherever a reliable XLR cable termination is required for analog audio and related signal connections. Thanks to its compact design, the connector is easy to handle and assemble. According to the manufacturer, it can be assembled with only 4 parts and no screws.

ℹ️ On the manufacturer’s website, this model is marked as PHASE OUT, with NC3FXX listed as the direct replacement / successor.

Key features and benefits

• ✅ Rugged zinc diecast shell for long-lasting durability
• ✅ Chuck type strain relief system for secure cable clamping
• ✅ Boot with rubber gland for improved protection against bending stress
• ✅ Coloured rings and boots available for coding and marking
• ✅ UL recognized components
• ✅ Easy assembly with a compact screwless design

Technical specifications

📌 Product

• Model: NC3FX
• Connection type: XLR
• Gender: Female
• Number of poles: 3
• Connector style: Cable connector
• Wiring: Solder contacts
• Locking device: Latch lock

⚡ Electrical

• Capacitance between contacts: ≤ 4 pF
• Contact resistance: ≤ 3 mΩ
• Dielectric strength: 1.5 kVdc
• Insulation resistance: > 10 GΩ (initial)
• Rated current per contact: 16 A
• Rated voltage: < 50 V

🔧 Mechanical

• Cable outer diameter: 3.5 – 8.0 mm
• Insertion force: ≤ 20 N
• Withdrawal force: ≤ 20 N
• Lifetime: > 1000 mating cycles
• Maximum wire size: 2.5 mm²
• Maximum wire gauge: 14 AWG

🧱 Materials

• Boot: Polyurethan
• Contact plating: 2 µm Ag over 2 µm Ni
• Contacts: Bronze (CuSn8)
• Insert: Polyamide (PA66)
• Locking element: St3K32 (latch) / Ck 67 (spring)
• Locking element plating: Nickel
• Shell: Zinc diecast (ZnAl4Cu1)
• Shell plating: Nickel
• Strain relief: Polyacetal (POM)

🌍 Environmental and compliance

• Approvals: UL
• Flammability: UL 94 V-0
• Standard compliance: IEC 61076-2-103
• Protection class: IP40
• Solderability: Complies with IEC 68-2-20
• Temperature range: -30 °C to +80 °C

Typical applications

• 🎚️ Professional audio systems
• 🎙️ Microphone cables
• 🎛️ Studio and broadcast equipment
• 🔊 Live sound, stage and installation systems
• 🧰 Custom-made or service-replacement XLR cables

Summary

NEUTRIK NC3FX is a classic professional 3-pole female XLR cable connector known for its robust mechanical design, simple assembly, secure cable retention and solid electrical performance. Although the model is being phased out in favor of the newer NC3FXX, it remains a widely recognized and proven XLR connector in professional audio applications. ```